201731132

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139703}}^1$

素因数の和:139745

約数の個数: 18

約数和(自身を含む): 372590568

約数和(自身を除く): 170859436

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 139703, 279406, 558812, 2654357, 5308714, 10617428, 50432783, 100865566, 201731132]

約数ペア:

[(1, 201731132), (2, 100865566), (4, 50432783), (19, 10617428), (38, 5308714), (76, 2654357), (361, 558812), (722, 279406), (1444, 139703)]